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/*
Copyright (c) 2015 Red Hat, Inc. <http://www.redhat.com>
This file is part of GlusterFS.
This file is licensed to you under your choice of the GNU Lesser
General Public License, version 3 or any later version (LGPLv3 or
later), or the GNU General Public License, version 2 (GPLv2), in all
cases as published by the Free Software Foundation.
*/
#ifndef __GFDB_SQLITE3_H
#define __GFDB_SQLITE3_H
/*Sqlite3 header file*/
#include <sqlite3.h>
#include "logging.h"
#include "gfdb_data_store_types.h"
#include "gfdb_mem-types.h"
#define GF_STMT_SIZE_MAX 2048
#define GF_DB_NAME "gfdb.db"
#define GF_FILE_TABLE "GF_FILE_TB"
#define GF_FILE_LINK_TABLE "GF_FLINK_TB"
#define GF_MASTER_TABLE "sqlite_master"
/*Since we have multiple tables to be created we put it in a transaction*/
#define GF_CREATE_STMT(out_str)\
do {\
sprintf (out_str , "BEGIN; CREATE TABLE IF NOT EXISTS "\
GF_FILE_TABLE\
"(GF_ID TEXT PRIMARY KEY NOT NULL, "\
"W_SEC INTEGER NOT NULL DEFAULT 0, "\
"W_MSEC INTEGER NOT NULL DEFAULT 0, "\
"UW_SEC INTEGER NOT NULL DEFAULT 0, "\
"UW_MSEC INTEGER NOT NULL DEFAULT 0, "\
"W_READ_SEC INTEGER NOT NULL DEFAULT 0, "\
"W_READ_MSEC INTEGER NOT NULL DEFAULT 0, "\
"UW_READ_SEC INTEGER NOT NULL DEFAULT 0, "\
"UW_READ_MSEC INTEGER NOT NULL DEFAULT 0, "\
"WRITE_FREQ_CNTR INTEGER NOT NULL DEFAULT 1, "\
"READ_FREQ_CNTR INTEGER NOT NULL DEFAULT 1); "\
"CREATE TABLE IF NOT EXISTS "\
GF_FILE_LINK_TABLE\
"(GF_ID TEXT NOT NULL, "\
"GF_PID TEXT NOT NULL, "\
"FNAME TEXT NOT NULL, "\
"FPATH TEXT NOT NULL, "\
"W_DEL_FLAG INTEGER NOT NULL DEFAULT 0, "\
"LINK_UPDATE INTEGER NOT NULL DEFAULT 0, "\
"PRIMARY KEY ( GF_ID, GF_PID, FNAME) "\
");"\
"COMMIT;"\
);;\
} while (0)
#define GF_COL_TB_WSEC GF_FILE_TABLE "." GF_COL_WSEC
#define GF_COL_TB_WMSEC GF_FILE_TABLE "." GF_COL_WMSEC
#define GF_COL_TB_UWSEC GF_FILE_TABLE "." GF_COL_UWSEC
#define GF_COL_TB_UWMSEC GF_FILE_TABLE "." GF_COL_UWMSEC
#define GF_COL_TB_RWSEC GF_FILE_TABLE "." GF_COL_WSEC_READ
#define GF_COL_TB_RWMSEC GF_FILE_TABLE "." GF_COL_WMSEC_READ
#define GF_COL_TB_RUWSEC GF_FILE_TABLE "." GF_COL_UWSEC_READ
#define GF_COL_TB_RUWMSEC GF_FILE_TABLE "." GF_COL_UWMSEC_READ
#define GF_COL_TB_WFC GF_FILE_TABLE "." GF_COL_WRITE_FREQ_CNTR
#define GF_COL_TB_RFC GF_FILE_TABLE "." GF_COL_READ_FREQ_CNTR
/*******************************************************************************
* SQLITE3 Connection details and PRAGMA
* ****************************************************************************/
#define GF_SQL_AV_NONE "none"
#define GF_SQL_AV_FULL "full"
#define GF_SQL_AV_INCR "incr"
#define GF_SQL_SYNC_OFF "off"
#define GF_SQL_SYNC_NORMAL "normal"
#define GF_SQL_SYNC_FULL "full"
#define GF_SQL_JM_DELETE "delete"
#define GF_SQL_JM_TRUNCATE "truncate"
#define GF_SQL_JM_PERSIST "persist"
#define GF_SQL_JM_MEMORY "memory"
#define GF_SQL_JM_WAL "wal"
#define GF_SQL_JM_OFF "off"
typedef enum gf_sql_auto_vacuum {
gf_sql_av_none = 0,
gf_sql_av_full,
gf_sql_av_incr,
gf_sql_av_invalid
} gf_sql_auto_vacuum_t;
typedef enum gf_sql_sync {
gf_sql_sync_off = 0,
gf_sql_sync_normal,
gf_sql_sync_full,
gf_sql_sync_invalid
} gf_sql_sync_t;
typedef enum gf_sql_journal_mode {
gf_sql_jm_wal = 0,
gf_sql_jm_delete,
gf_sql_jm_truncate,
gf_sql_jm_persist,
gf_sql_jm_memory,
gf_sql_jm_off,
gf_sql_jm_invalid
} gf_sql_journal_mode_t;
typedef struct gf_sql_connection {
char sqlite3_db_path[PATH_MAX];
sqlite3 *sqlite3_db_conn;
ssize_t cache_size;
ssize_t page_size;
ssize_t wal_autocheckpoint;
gf_sql_journal_mode_t journal_mode;
gf_sql_sync_t synchronous;
gf_sql_auto_vacuum_t auto_vacuum;
} gf_sql_connection_t;
#define CHECK_SQL_CONN(sql_conn, out)\
do {\
GF_VALIDATE_OR_GOTO(GFDB_STR_SQLITE3, sql_conn, out);\
if (!sql_conn->sqlite3_db_conn) {\
gf_log (GFDB_STR_SQLITE3, GF_LOG_ERROR,\
"sqlite3 connection not initialized");\
goto out;\
};\
} while (0)
#define GF_SQLITE3_SET_PRAGMA(sqlite3_config_str, param_key, format, value,\
ret, error)\
do {\
sprintf(sqlite3_config_str, "PRAGMA " param_key " = " format , value);\
ret = sqlite3_exec (sql_conn->sqlite3_db_conn, sqlite3_config_str,\
NULL, NULL, NULL);\
if (ret != SQLITE_OK) {\
gf_log (GFDB_STR_SQLITE3, GF_LOG_ERROR,\
"Failed executing: %s : %s",\
sqlite3_config_str, sqlite3_errmsg\
(sql_conn->sqlite3_db_conn));\
ret = -1;\
goto error;\
};\
} while (0)
/************************SQLITE3 PARAMS KEYS***********************************/
#define GFDB_SQL_PARAM_DBPATH "sql-db-path"
#define GFDB_SQL_PARAM_CACHE_SIZE "sql-db-cachesize"
#define GFDB_SQL_PARAM_PAGE_SIZE "sql-db-pagesize"
#define GFDB_SQL_PARAM_JOURNAL_MODE "sql-db-journalmode"
#define GFDB_SQL_PARAM_WAL_AUTOCHECK "sql-db-wal-autocheckpoint"
#define GFDB_SQL_PARAM_SYNC "sql-db-sync"
#define GFDB_SQL_PARAM_AUTO_VACUUM "sql-db-autovacuum"
#define GF_SQL_DEFAULT_DBPATH ""
#define GF_SQL_DEFAULT_PAGE_SIZE "4096"
#define GF_SQL_DEFAULT_CACHE_SIZE "1000"
#define GF_SQL_DEFAULT_WAL_AUTOCHECKPOINT "1000"
#define GF_SQL_DEFAULT_JOURNAL_MODE GF_SQL_JM_WAL
#define GF_SQL_DEFAULT_SYNC GF_SQL_SYNC_NORMAL
#define GF_SQL_DEFAULT_AUTO_VACUUM GF_SQL_AV_NONE
/* Defines the indexs for sqlite params
* The order should be maintained*/
typedef enum sqlite_param_index {
sql_dbpath_ix = 0,
sql_pagesize_ix,
sql_cachesize_ix,
sql_journalmode_ix,
sql_walautocheck_ix,
sql_dbsync_ix,
sql_autovacuum_ix,
/*This should be in the end*/
sql_index_max
} sqlite_param_index_t;
/* Array to hold the sqlite param keys
* The order should be maintained as sqlite_param_index_t*/
static char *sqlite_params_keys[] = {
GFDB_SQL_PARAM_DBPATH,
GFDB_SQL_PARAM_PAGE_SIZE,
GFDB_SQL_PARAM_CACHE_SIZE,
GFDB_SQL_PARAM_JOURNAL_MODE,
GFDB_SQL_PARAM_WAL_AUTOCHECK,
GFDB_SQL_PARAM_SYNC,
GFDB_SQL_PARAM_AUTO_VACUUM
};
/* Array of default values for sqlite params
* The order should be maintained as sqlite_param_index_t*/
static char *sqlite_params_default_value[] = {
GF_SQL_DEFAULT_DBPATH,
GF_SQL_DEFAULT_PAGE_SIZE,
GF_SQL_DEFAULT_CACHE_SIZE,
GF_SQL_DEFAULT_JOURNAL_MODE,
GF_SQL_DEFAULT_WAL_AUTOCHECKPOINT,
GF_SQL_DEFAULT_SYNC,
GF_SQL_DEFAULT_AUTO_VACUUM
};
/*Extract sql params from page_size to auto_vacumm
* The dbpath is extracted in a different way*/
static inline int
gfdb_set_sql_params(char *comp_name, dict_t *from_dict, dict_t *to_dict)
{
sqlite_param_index_t sql_index = sql_pagesize_ix;
char *_val_str = NULL;
int ret = -1;
GF_ASSERT (comp_name);
GF_ASSERT (from_dict);
GF_ASSERT (to_dict);
/*Extact and Set of the sql params from page_size*/
for (sql_index = sql_pagesize_ix; sql_index < sql_index_max;
sql_index++) {
_val_str = NULL;
GET_DB_PARAM_FROM_DICT_DEFAULT (comp_name, from_dict,
sqlite_params_keys[sql_index], _val_str,
sqlite_params_default_value[sql_index]);
SET_DB_PARAM_TO_DICT (comp_name, to_dict,
sqlite_params_keys[sql_index], _val_str, ret, out);
}
out:
return ret;
}
/*************************SQLITE3 GFDB PLUGINS*********************************/
/*Db init and fini modules*/
int gf_sqlite3_fini (void **db_conn);
int gf_sqlite3_init (dict_t *args, void **db_conn);
/*insert/update/delete modules*/
int gf_sqlite3_insert (void *db_conn, gfdb_db_record_t *);
int gf_sqlite3_delete (void *db_conn, gfdb_db_record_t *);
/*querying modules*/
int gf_sqlite3_find_all (void *db_conn, gf_query_callback_t,
void *_query_cbk_args);
int gf_sqlite3_find_unchanged_for_time (void *db_conn,
gf_query_callback_t query_callback,
void *_query_cbk_args,
gfdb_time_t *for_time);
int gf_sqlite3_find_recently_changed_files (void *db_conn,
gf_query_callback_t query_callback,
void *_query_cbk_args,
gfdb_time_t *from_time);
int gf_sqlite3_find_unchanged_for_time_freq (void *db_conn,
gf_query_callback_t query_callback,
void *_query_cbk_args,
gfdb_time_t *for_time,
int write_freq_cnt,
int read_freq_cnt,
gf_boolean_t clear_counters);
int gf_sqlite3_find_recently_changed_files_freq (void *db_conn,
gf_query_callback_t query_callback,
void *_query_cbk_args,
gfdb_time_t *from_time,
int write_freq_cnt,
int read_freq_cnt,
gf_boolean_t clear_counters);
void gf_sqlite3_fill_db_operations (gfdb_db_operations_t *gfdb_db_ops);
#endif
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